Table 2.
Baseline | Nadir | Mean difference from baseline [95% CI]a | P-valueb (baseline vs. nadir) | 2-minute recovery | Mean difference from baseline [95% CI]a | P-valueb (baseline vs. 2-minute recovery) | |
---|---|---|---|---|---|---|---|
Calibration dose | |||||||
SpO2 (%) | 98.4 ± 1.5 | 96.0 ± 1.6 | −2.5 [−6.3, 1.3] | 0.13 | 98.0 ± 1.6 | −0.4 [−1.8, 1.0] | 0.48 |
HR (bpm) | 75.8 ± 20.5 | 74.3 ± 19.0 | −4.5 [−13.7, 4.7] | 0.22 | 78.3 ± 13.8 | −2.4 [−7.6, 2.8] | 0.27 |
Imaging dose | |||||||
SpO2 (%) | 98.4 ± 1.5 | 94.0 ± 5.6 | −4.3 [−11.6, 3.1] | 0.16 | 97.4 ± 1.3 | −1.0 [−1.9, −0.1] | 0.034 |
HR (bpm) | 72.2 ± 14.2 | 75.5 ± 11.0 | 2.0 [−16.4, 20.5] | 0.75 | 74.2 ± 16.8 | 2.0 [−5.2, 9.2] | 0.48 |
Mean differences from baseline and 95% confidence intervals ([lower limit, upper limit])
P-value ≤ 0.05 is significant
bpm beats per minute, CI confidence interval, HR heart rate, HV healthy volunteer, SpO2 blood oxygenation, TLC total lung capacity